LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L >> Repair Instructions >> Camshaft Position (CMP) Sensor Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

Important:  Inspect the CMP sensor O-ring for wear or damage. If a problem is found, replace the O-ring. Lubricate the new O-ring with engine oil before installing.

  1. Install the CMP sensor (1).
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the CMP sensor retaining bolt (2).

    Tighten 

    Tighten the bolt to 12 N.m (106 lb in).

  3. Connect the CMP sensor harness connector (3).
  4. Install the steering linkage shield, if equipped.
  5. Lower the vehicle.
    Fig 1: CMP Sensor, Retaining Bolt & Harness Connector
    G01599013Courtesy of GENERAL MOTORS CORP.